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| author | Richard Stallman <rms@gnu.org> | 1993-05-14 04:22:03 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1993-05-14 04:22:03 +0000 |
| commit | 73737e867f5a4badb12aaecaecadecd5a7f0f27d (patch) | |
| tree | 00ce726b077cb3e8bf7bbf8f742d2dbd28b92de9 /gcc | |
| parent | b542afe93fda0423452106e49574a317f787739e (diff) | |
| download | gcc-73737e867f5a4badb12aaecaecadecd5a7f0f27d.zip gcc-73737e867f5a4badb12aaecaecadecd5a7f0f27d.tar.gz gcc-73737e867f5a4badb12aaecaecadecd5a7f0f27d.tar.bz2 | |
(restore_referenced_regs): New variable saveregs which is number of regs to save at a time...
(restore_referenced_regs): New variable saveregs
which is number of regs to save at a time, instead of numregs,
which is total number of registers to save.
From-SVN: r4445
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/caller-save.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/caller-save.c b/gcc/caller-save.c index db49610..ecdc20a 100644 --- a/gcc/caller-save.c +++ b/gcc/caller-save.c @@ -605,13 +605,15 @@ restore_referenced_regs (x, insn, insn_mode) else if (regno < FIRST_PSEUDO_REGISTER) { - int numregs = MIN (HARD_REGNO_NREGS (regno, GET_MODE (x)), - MOVE_MAX / UNITS_PER_WORD); + int numregs = HARD_REGNO_NREGS (regno, GET_MODE (x)); + /* Save at most SAVEREGS at a time. This can not be larger than + MOVE_MAX, because that causes insert_save_restore to fail. */ + int saveregs = MIN (numregs, MOVE_MAX / UNITS_PER_WORD); int endregno = regno + numregs; for (i = regno; i < endregno; i++) if (TEST_HARD_REG_BIT (hard_regs_need_restore, i)) - i += insert_save_restore (insn, 0, i, insn_mode, numregs); + i += insert_save_restore (insn, 0, i, insn_mode, saveregs); } return; |